William Farnell "Little Bill" Glover Jr. is an energetic 5-year-old. His vivid imagination and fun loving nature make him a natural leader when it comes to making up a game, or creating a fantasy to act out with his friends. He tries hard to be fair and do the right thing, but like all kids, he sometimes stumbles and has hard lessons to learn. Luckily, he always has his support network of family and friends to help him through any challenge. Little Bill is known worldwide for being nice. Little Bill is an African-American human, and he has brown-colored skin. A tooth of his is missing (probably in the center). He wears a yellow shirt, but the left sleeve is green and the right is purple. On his shirt is a big red 'B'. Little Bill's blue jeans are baggy. His shoes are mostly white with a black stripe running through the middle and tan laces. He is voiced by Xavier Pritchett.
He is a 5-year-old inquisitive and imaginative boy who loves his hamster and is a fan of the (fictional) Blue Sox baseball team. He also likes Captain Brainstorm because he comes up with great ideas. He enjoys going to kindergarten, although he misses Elephant, but he is still happy. He is known as Little Bill because his actual name is Bill Jr, his father's name is also Bill.